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The ejection port cover on an AR-15 does a quiet but important job. It keeps dirt, sand, lint, and moisture out of your upper receiver when the rifle isn't firing, and a worn spring or a bent rod can leave that door flopping open or refusing to snap shut. This Sons of Liberty Gun Works Ejection Port Cover Assembly is the factory OEM part that solves all of that, built to mil-spec tolerances so it drops right into standard forged uppers without fuss.
This is a complete assembly, not just a bare door. Inside you get the port door itself, the port door pin with the C-clip already installed, and the port door spring. That means you're not scrounging for a missing clip or the right spring tension halfway through the job. It's everything needed to build out an ejection port from scratch or swap out a tired one.
SOLGW builds these to precise tolerances, and folks who've run them tend to notice the finish holds up better than a lot of the generic covers floating around. It carries a matte black look that blends in with just about any mil-spec upper. Worth noting: this kit is designed for standard forged uppers, so if you're running a billet or proprietary receiver like some of the fancier custom builds, double-check your dimensions before ordering.
Swapping a port door is a solid beginner gunsmithing task. The trickiest part is managing the spring tension while you seat the pin, and a small punch and a bit of patience go a long way. Once it's in, the door should snap open when the bolt cycles and close with a firm click. If your current cover is rattling, sagging, or just chewed up, this is a cheap and satisfying fix that gets your rifle back to running clean.
This is a complete assembly that includes the port door, the port door pin with the C-clip already installed, and the port door spring. You get everything needed to install a fresh cover on a mil-spec upper. There's no need to source any extra hardware.
It's designed to fit standard mil-spec forged AR-15 uppers, which covers the vast majority of rifles out there. If you're running a billet or proprietary custom receiver, it's smart to verify your port dimensions first, since some non-standard uppers use their own parts.
Yes, it's a common at-home task and a good introduction to AR gunsmithing. The main challenge is holding the spring tension while you seat the pin, so a small punch and a steady hand help. Once installed, the door should snap open on the cycle and close firmly.
The cover keeps dust, sand, and moisture out of your action when the rifle isn't in use, which helps keep the internals running clean. Over time springs weaken and rods can bend, leaving the door loose or stuck. A fresh assembly restores that positive snap and proper protection.
| UPC | 785939517774 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | PORTDOORCOVERKIT |
| Color | Black |
| Model | |
| Product Type | Cover |
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